<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			.box{
				width: 100px;
				height: 100px;
				background: red;
				transform: skew(20deg,20deg);
			}
		</style>
	</head>
	<body>
		<div class="box"></div>
	</body>
</html>
